18191124

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1951}}^1$

素因数の和:2005

約数の個数: 72

約数和(自身を含む): 54000128

約数和(自身を除く): 35809004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 1951, 2331, 3108, 3902, 4662, 5853, 7804, 9324, 11706, 13657, 17559, 23412, 27314, 35118, 40971, 54628, 70236, 72187, 81942, 122913, 144374, 163884, 216561, 245826, 288748, 433122, 491652, 505309, 649683, 866244, 1010618, 1299366, 1515927, 2021236, 2598732, 3031854, 4547781, 6063708, 9095562, 18191124]

約数ペア:

[(1, 18191124), (2, 9095562), (3, 6063708), (4, 4547781), (6, 3031854), (7, 2598732), (9, 2021236), (12, 1515927), (14, 1299366), (18, 1010618), (21, 866244), (28, 649683), (36, 505309), (37, 491652), (42, 433122), (63, 288748), (74, 245826), (84, 216561), (111, 163884), (126, 144374), (148, 122913), (222, 81942), (252, 72187), (259, 70236), (333, 54628), (444, 40971), (518, 35118), (666, 27314), (777, 23412), (1036, 17559), (1332, 13657), (1554, 11706), (1951, 9324), (2331, 7804), (3108, 5853), (3902, 4662)]